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70074 = 23217229
BaseRepresentation
bin10001000110111010
310120010100
4101012322
54220244
61300230
7411204
oct210672
9116110
1070074
1148714
1234676
1325b84
141b774
1515b69
hex111ba

70074 has 24 divisors (see below), whose sum is σ = 161460. Its totient is φ = 21888.

The previous prime is 70067. The next prime is 70079. The reversal of 70074 is 47007.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 11025 = 243^2 + 105^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

70074 is a modest number, since divided by 74 gives 70 as remainder.

It is not an unprimeable number, because it can be changed into a prime (70079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192 + ... + 420.

270074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80730).

70074 is an abundant number, since it is smaller than the sum of its proper divisors (91386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70074 is a wasteful number, since it uses less digits than its factorization.

70074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 18.

The square root of 70074 is about 264.7149410215. The cubic root of 70074 is about 41.2273705080.

The spelling of 70074 in words is "seventy thousand, seventy-four", and thus it is an iban number.

Divisors: 1 2 3 6 9 17 18 34 51 102 153 229 306 458 687 1374 2061 3893 4122 7786 11679 23358 35037 70074